go/test/divide.go
Alan Donovan 052c942e20 test: ensure all failing tests exit nonzero.
Previously merely printing an error would cause the golden
file comparison (in 'bash run') to fail, but that is no longer
the case with the new run.go driver.

R=iant
CC=golang-dev
https://golang.org/cl/7310087
2013-02-12 13:17:49 -05:00

62 lines
1.2 KiB
Go

// run
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Test divide corner cases.
package main
import "fmt"
func f8(x, y, q, r int8) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f16(x, y, q, r int16) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f32(x, y, q, r int32) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f64(x, y, q, r int64) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func main() {
f8(-1<<7, -1, -1<<7, 0)
f16(-1<<15, -1, -1<<15, 0)
f32(-1<<31, -1, -1<<31, 0)
f64(-1<<63, -1, -1<<63, 0)
}